EP0227630A3 - Procédé de préparation de métaphosphate de sodium et de calcium essentiellement cristallin - Google Patents

Procédé de préparation de métaphosphate de sodium et de calcium essentiellement cristallin

Info

Publication number
EP0227630A3
EP0227630A3 EP86870191A EP86870191A EP0227630A3 EP 0227630 A3 EP0227630 A3 EP 0227630A3 EP 86870191 A EP86870191 A EP 86870191A EP 86870191 A EP86870191 A EP 86870191A EP 0227630 A3 EP0227630 A3 EP 0227630A3
Authority
EP
European Patent Office
Prior art keywords
substantially crystalline
sodium metaphosphate
crystalline calcium
calcium sodium
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP86870191A
Other languages
German (de)
English (en)
Other versions
EP0227630A2 (fr
Inventor
Vaidy R. Nathan
James Earl Downes
John Robert Jany
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Monsanto Co
Original Assignee
Monsanto Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of EP0227630A2 publication Critical patent/EP0227630A2/fr
Publication of EP0227630A3 publication Critical patent/EP0227630A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/45—Phosphates containing plural metal, or metal and ammonium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
EP86870191A 1985-12-23 1986-12-19 Procédé de préparation de métaphosphate de sodium et de calcium essentiellement cristallin Withdrawn EP0227630A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US81204485A 1985-12-23 1985-12-23
US812044 1985-12-23
US06/924,673 US4725369A (en) 1985-12-23 1986-11-05 Process for the preparation of substantially crystalline calcium sodium metaphosphate
US924673 1986-11-05

Publications (2)

Publication Number Publication Date
EP0227630A2 EP0227630A2 (fr) 1987-07-01
EP0227630A3 true EP0227630A3 (fr) 1988-10-05

Family

ID=27123556

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86870191A Withdrawn EP0227630A3 (fr) 1985-12-23 1986-12-19 Procédé de préparation de métaphosphate de sodium et de calcium essentiellement cristallin

Country Status (6)

Country Link
US (1) US4725369A (fr)
EP (1) EP0227630A3 (fr)
AR (1) AR246099A1 (fr)
AU (1) AU579759B2 (fr)
BR (1) BR8606385A (fr)
CA (1) CA1262027C (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4725368A (en) * 1985-12-23 1988-02-16 Monsanto Company Process for the preparation of substantially crystalline calcium sodium metaphosphate
US4690809A (en) * 1985-12-23 1987-09-01 Monsanto Company Process for the preparation of asbestiform crystalline calcium sodium metaphosphate fibers
US4717487A (en) * 1986-12-08 1988-01-05 Monsanto Company Process for the preparation of asbestiform crystalline calcium sodium metaphosphate fiber
US4729838A (en) * 1986-12-08 1988-03-08 Monsanto Company Process for the preparation of crystalline calcium sodium metaphosphate
US5302363A (en) * 1993-05-03 1994-04-12 Monsanto Company Process for preparing anhydrous polyphosphate mixed alkali metal salts
CA2338822A1 (fr) 1998-08-17 2000-02-24 The Procter & Gamble Company Detergents multifonctionnels

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1122610A1 (ru) * 1982-06-04 1984-11-07 Белорусский Ордена Трудового Красного Знамени Технологический Институт Им.С.М.Кирова Способ получени кристаллического метафосфата натри -кальци
US4725368A (en) * 1985-12-23 1988-02-16 Monsanto Company Process for the preparation of substantially crystalline calcium sodium metaphosphate
DE3607998A1 (de) * 1986-03-11 1987-09-17 Basf Ag Verfahren zur aufarbeitung von hydroxylamin oder dessen salze enthaltenden abwaessern

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol 102, no. 22, 3rd June 1985, page 136, abstract no. 187450m, Columbus, Ohio, US; & SU-A-1 122 610 (BELORUSSIAN TECHNOLOGICAL INSTITUTE) 07-11-1984. *

Also Published As

Publication number Publication date
EP0227630A2 (fr) 1987-07-01
BR8606385A (pt) 1987-10-13
CA1262027A (fr) 1989-10-03
AU579759B2 (en) 1988-12-08
US4725369A (en) 1988-02-16
CA1262027C (fr) 1989-10-03
AR246099A1 (es) 1994-03-30
AU6685086A (en) 1987-06-25

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Inventor name: DOWNES, JAMES EARL

Inventor name: JANY, JOHN ROBERT

Inventor name: NATHAN, VAIDY R.